Answer:
X liters of 10% + (30 - x) liters of 22% = 30...
Answer:
What does ppm mean? This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.
that is all i have to say.
Hydrosphere & Geosphere hope this helps
A and C
